#include<stdio.h>
int main()
{
    float score[ ][4]={{60,70,80,90},{56,78,78,90},{45,89,78,90}};
    float *search(float(*p)[4],int n);
    float *p;
    int i,k;
    printf("enter the number of student: ");
    scanf("%d",&k);
    printf("the score of No.%d are :\n",k);
    p=search(score,k);
    for(i=0;i<4;i++)
        printf("%5.2f\t",*(p+i));
    printf("\n");
    return 0;
}
float *search(float(*p)[4],int n)
{
    float *pt;
    pt=*(p+n);
    return pt;

}